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Free Proxy List - Public Proxy Servers (IP PORT) - Hide My Ass! - Custom search #225370. Vapor Smoothing and Polishing PLA with Tetrahydrofuran (THF) This entry was posted on June 6, 2013 by Alex English. Acetone has been used for some time to treat ABS parts, either by polishing, vapor smoothing, or even using it to stick parts together. Likewise Methyl ethyl ketone (MEK) has been used to the same effect with ABS.
We found Tetrahydrofuran (THF) to be the best option in our assessment, but be warned that there are serious safety concerns to working with THF. This post received a lot of attention, and a number of people have rightly brought up concerns with the safety of interacting with THF. Background We first found and started experimenting with THF at the beginning of April. Why Would I Want to do This? These smoothing methods smooth over the ridges formed by the layers of an FDM / FFF print, any similarly small artifacts of the printing process (such as surface finish blemishes where the part was in contact with support material, etc.), or small details.
THF Safety You can read more about THF on its Wikipedia page. Vapor Treatment. Hossmachine Homepage. Liquitex. Densities of Miscellaneous Solids. FSWizard - Free Advanced CNC Speed and Feed Calculator. From creator of HSMAdvisor. FSWizard - Free Speed and Feed Calculator APP for iOS, Android and Browser If on a mobile device click on Open in a New Window and then "Add to Home Screen" menu action to install FSWizard on your Android or iOS device.
This app allows CNC Machinists to calculate cutting parameters for wide variety of material groups. Key features of FSWizard Machinist Calculator Built-in material and tool databaseMaterials ranging form Mild and tool steels to Stainless, Aluminums and PlasticsSpeeds and Feeds all kinds of Machining operations. How to calculate speeds and feeds Please post your questions and suggestions on our support forums! HMSC Projects. Here are things you can build, along with shop tips and wisdom from the club's members and other contributors. Most of these projects are in web page html format. Just click on the picture or link to access the project. Some are in Acrobat pdf format, while others may be downloaded in zip format. Hover your mouse's cursor over a link to determine the file format before clicking. Best Sellers.
How To Weld Almost Anything: A Beginners Guide To Welding Like A Pro From Home! | Learn Welding | MIG Welding Training. Hi, I’m Garrett Strong with MakeMoneyWelding.com I’ve been helping beginners & hobbyists learn to weld online for several years now. I’ve helped thousands of people just like you get started learning to mig weld with my beginners guide to welding. If you want to learn how to weld then you’re in the right spot!
I’m going to show you everything you need to know to get started welding with very little upfront costs, even if you’re a complete beginner! Welding is the process of joining 2 metals together by heating them up to molten hot temperatures, and then manipulating the molten weld puddle to create a weld bead. That’s just the beginning of learning how to weld though. Controlling the liquid weld puddle is where lots of practice comes into play. The heat required to get mild steel to its melting point is around 2700 °F. For example, the heat created from an oxy acetylene torch tip is around 6300 °F, which is plenty of heat to melt the steel. Essentially you’re joining 2 metals together. P.S. Understanding the Fourier transform. Yes, I realize that after reading the title of this post, 99% of potential readers just kept scrolling.
So to the few of you who clicked on it, welcome! Don’t worry, this won’t take long. A very long time ago, I was curious how to detect the strength of the bass and treble in music, in order to synchronize some graphical effects. I had no idea how to do such a thing, so I tried to figure it out, but I didn’t get very far. Eventually I learned that I needed something called a Fourier transform, so I took a trip to the library and looked it up (which is what we had to do back in those days).
What I found was the Discrete Fourier Transform (DFT), which looks like this: This formula, as anyone can see, makes no sense at all. Eventually, I was able to visualize how it works, which was a bit of a lightbulb for me. Disclaimer: my math skills are pitch-patch at best, and this is just intended to be an informal article, so please don’t expect a rigorous treatment.
An ocean of electronic parts. 1. Terms By accessing this web site, you are agreeing to be bound by these web site Terms and Conditions of Use, all applicable laws and regulations, and agree that you are responsible for compliance with any applicable local laws. If you do not agree with any of these terms, you are prohibited from using or accessing this site. The materials contained in this web site are protected by applicable copyright and trade mark law. 2. Permission is granted to temporarily download one copy of the materials (information or software) on Sandsquid's web site for personal, non-commercial transitory viewing only. 3. The materials on Sandsquid's web site are provided "as is". 4. 5. The materials appearing on Sandsquid's web site could include technical, typographical, or photographic errors. 6. Sandsquid has not reviewed all of the sites linked to its Internet web site and is not responsible for the contents of any such linked site. 7. 8. 9.
Privacy Policy Your privacy is very important to us. Freelancer.com - Hire Freelancers & Find Freelance Jobs Online. MakerGear.com - Welcome. Forum: Mine første DIY højttalere. DmadsenForum Bruger Bruger siden: 19 September 2011Lokalitet: Midtjylland Status: OfflineIndlæg: 22 Hej Jeg så en anden herinde der havde fået den gode idé at bygge nogle højttalere af nogle ikea skåle.Det gav mig blod på tanden til selv at komme igang.
Så jeg har bygget 5 stk til mit surround, og er igang med en sub til dem nu.Jeg er meget imponeret over hvor meget lyd man får for sine penge ved selv at bygge, og det startede jo bare med at jeg synes at lyden i vores nye fladskærm var elendig. Men jeg tror snart der er flere højttalere på vej :-) Hvis den oprindelige opfinder af disse højttalere er imod jeg har lagt billeder op af "mine" må han sige til og jeg fjerner dem Her er lidt billeder af projektet tangband enheder 4" Bunden savet af Ringe til at ligge imellem skålene da de ikke er helt lige store så er de ved at blive limet sammen Store O-ringe til samlingen O-ring prøvemonteret Og lige en prøvelytter.
Blevet malet O-ringe monteret Terminaler monteret Færdig. Softwalks. PCB Home. Download DesignSpark PCB Activate DesignSpark PCB *Free for commercial or non-commercial use, no limitations or licensing. DesignSpark PCB is the world’s most accessible electronics design software. Easy to easy to learn and easy to use, DesignSpark PCB is designed to significantly reduce your concept-to-production time. At the core of this unique approach is a powerful software engine that enables you to capture Schematics, design PCB boards and layouts. Quick links: >> installation/upgrade instructions >> Product Brochure (PDF) in multiple languages >> On-line Tutorials to help you getting started >> List of input/output file formats >> Supported Operating Systems >> Change Log: Version 6 Update!
Find Support on our Forums Watch our FAQ video to find out why RS/Allied provide DesignSpark PCB to you at no cost and what sort of problems our software can help you with: Click here to read about typical uses of DSPCB depending on various user needs. Want to know more? User Testimonials Advertisement. Space Planner. ProfiLab. Worth Monkey - The blue book for used electronics and more! Front Panel Express: Front Panel Design Software and CAD Conversion Service. Cryptocat. The animated guide to Building a PC. Learn to build a PC from scratch with PCitYourself! Graphs Infographics. iStock Photo: Royalty Free Stock Photography, Vector Art Images, Music & Video Stock Footage.
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